On Thu, Mar 4, 2010 at 1:52 PM, Thomas Magill <tmag...@providecommerce.com> wrote: > 1. Why don't providers use /31 addresses for P2P links? This > works fine per rfc 3021 but nobody seems to believe it or use it. Are > there any major manufacturers out there that do not support it?
Because those who want to hyper-optimize use a /32 loopback address on each router instead and rely on SNMP instead of Ping to determine whether an interface is up. > 2. Longer than /24 prefixes in global BGP table. The most obvious > answer is that some hardware may not handle it... That's the most obvious answer? On Thu, Mar 4, 2010 at 2:12 PM, Joel Jaeggli <joe...@bogus.com> wrote: > handling the v6 table is not currently hard (~2600 prefixes) while long > term the temptation to do TE is roughly that same in v6 as in v4, the > prospect of having a bunch of non-aggregatable direct assignments should > be much lower... Because we expect far fewer end users to multihome tomorrow than do today? Regards, Bill Herrin -- William D. Herrin ................ her...@dirtside.com b...@herrin.us 3005 Crane Dr. ...................... Web: <http://bill.herrin.us/> Falls Church, VA 22042-3004
